Home / 54,911.68-82,367.52-13,358.32

Finding the Fourth Proportional to 54,911.68, 82,367.52 and 13,358.32

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Solution

The fourth proportional to 54,911.68, 82,367.52 and 13,358.32 is: 20,037.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.68 : 82,367.52 = 13,358.32 : x
  2. Step 2: Convert to fraction form
    54,911.68/82,367.52 = 13,358.32/x
  3. Step 3: Cross multiply
    54,911.68x = 82,367.52 × 13,358.32
  4. Step 4: Simplify right side
    54,911.68x = 1,100,291,689.77
  5. Step 5: Solve for x
    x = 1,100,291,689.77/54,911.68
  6. Step 6: Final answer
    x = 20,037.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.